The Dexes / Satellite Decay / 42987
CelestialObjectDex · Satellite Decay
SKYSAT-C11
42987 · 2026-04-03T15:34:39Z
Fixes
212
Observations
212
The record
Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.
| start_utc | 2026-04-03T15:34:39.692928+00:00 |
|---|---|
| end_utc | 2026-08-09T09:17:26.956320+00:00 |
| family | celestialdex |
| norad_id | 42,987 |
| object_name | SKYSAT-C11 |
| group | active |
| eccentricity_median | 0.000 |
| inclination_deg_median | 97.433 |
| n_snaps | 212 |
| span_days | 127.738 |
| mean_motion_first | 15.541 |
| mean_motion_last | 15.606 |
| delta_mean_motion | 0.065 |
| altitude_first_km | 404.822 |
| altitude_last_km | 385.837 |
| decay_rate_rev_day2 | 0.001 |
| altitude_decay_km_day | -0.148 |
| decay_note | mean_motion slope (rev/day^2) and altitude slope (km/day) from least-squares fit of measured GP elements; altitude from Kepler a=(GM/n^2)^(1/3) - R_earth |
| first_utc | 2026-04-03T15:34:39.692928+00:00 |
| last_utc | 2026-08-09T09:17:26.956320+00:00 |
| last_fix_utc | 2026-08-09T09:17:26.956320+00:00 |
| provisional | false |
| track | [{"utc":"2026-04-03T15:34:39.692928+00:00","mean_motion":15.54082294,"altitude_km":404.822,"eccentricity":0.00005551,"inclination_deg":97.4251},{"utc":"2026-04-04T07:01:50.662272+00:00","mean_motion": |
| total_sensor_hits | 0 |
Provenance
- celestrak
Storage: dossier · celestial_storehouse/satellite_decay/42987.json